Lambro Ec-34400G-Pg 4-In., 26-Gauge Paint-Grade Steel Wall Exhaust Hood Vent Wit

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Mounts over existing 4-in. openings ;
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For new or replacement vent installations;
recommended for clothes dryer or bath fan exhaust installations;
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Made of 26-gauge paint grade steel for durability and to maintain longevity;
matte gray finish is ready to paint;
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Opening with a net-free area of 20.5 sq. in.;
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11-in. pipe for through-the-wall installation;
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Designed for maximum airflow;
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Opening and closing damper stays closed when not in use;
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Damper prevents outside elements from entering the vent;
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Requires installation screws (not included);